Granted Patent
Utility
US 6,444,538 · App. 09/735,626
Method for manufacturing a semiconductor memory device using hemispherical grain silicon
Inventors:
Se Han Kwon, Jang-Yup Kim
Patented Case
View Patent ↗
Granted: Sep 3, 2002
Filed: Dec 14, 2000
Inventors
Se Han Kwon
Jang-Yup Kim
Assignee (at issue)
Hyundai Electronics Industries Co. Ltd.
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.